>> in picturesque winstead, connecticut, a 250-year-old new england town, a typical school day at hinsdale elementary. but one fourth grader, matthew, won't be there in morning or any morning. >> now, if you look at him what do you think? do you think he's going to be friendly? >> matthew's mother, an elementary school teacher, home schooled her son lastier. >> when he was out of school, he was well. and when he was in school, he became ill. he missed more than 50 days of school. >> mold at hinsdale, she said, was making her son sick. >> this bag represents most of the medications that matthew was on last year. he was given -- right before he went in the hospital for pain.